Mobile Self-erecting Shelters

Summary:
one model by 9 fit Length, 9 fit width and 12 fit height can be great automatically to 105 fit L&W and 18 fit height in 15 minute.it have wheels and can be towed by small trucks or be sling by helicopters.

Full Description:
the mobile self-erecting shelters have pyramid shape with 4 collectible leg that hold cover at inside.it can made at different size.it can be used at several purposes such as military,industry, agriculture& etc.

Problem this idea/invention addresses:
provide a big and mobile space for working,habitation& ... at desert and open areas as soon as possible.